Standard Digital Items Client Program

--this is a standardized program for all Computer units that require the use of Digital items
local tArg = {...}
local HostName = tArg[3]
local Mode = tArg[2]
local Item = tArg[1]


function Interact()
  local Modem = peripheral.find("Modem")
  rednet.open()
  local id = rednet.lookup(6700,"AP_IT_Storage")
  local Serverid = id
  if mode == "Request" then
    rednet.send(Serverid,"Request",6700)
    repeat
      local id, message = rednet.receive()
    until id == Serverid and message == "Send"
    rednet.send(Serverid,Item,6700)
    repeat
      local id, message = rednet.receive()
    until id == Serverid
    local file = fs.open("StoredItems","a")
    local i = 0
    while file.readLine()
      i = i+1
    end
    file.setCursorPos(1,i)
    file.writeLine(message)
    file.close()
  elseif Mode == "Send" then
    rednet.send(Serverid,"Send",6700)
    repeat
      local id, message = rednet.receive()
    until id == Serverid and message == "Send"
    rednet.send(Serverid,Item,6700)
  end
end